参数资料
型号: FAN7529N
厂商: Fairchild Semiconductor
文件页数: 5/20页
文件大小: 1733K
描述: IC PFC CTRLR CRM/TRANSITION 8DIP
产品变化通告: Product Discontinuation 14/Mar/2011
标准包装: 50
模式: 临界传导(CRM),间歇式(转换)
电流 - 启动: 40µA
电源电压: 12 V ~ 22 V
工作温度: -40°C ~ 125°C
安装类型: 通孔
封装/外壳: 8-DIP(0.300",7.62mm)
供应商设备封装: 8-DIP
包装: 管件
?2006 Fairchild Semiconductor Corporation
 www.fairchildsemi.com
FAN7529 Rev. 1.0.2
5  
Electrical Characteristics
V
CC
 = 14V and T
A
 = -40癈~125癈 unless otherwise specified.
Note:
2. These parameters, although guaranteed by design, are not tested in production.
Symbol
Parameter
Condition
Min.   Typ.   Max.   Unit
UNDER-VOLTAGE LOCKOUT SECTION
V
th(start)
Start Threshold Voltage
V
CC
 increasing
11
12
13
V
V
th(stop)
Stop Threshold Voltage
V
CC
 decreasing
7.5
8.5
9.5
V
HY
(uvlo)
UVLO Hysteresis
3.0
3.5
4.0
V
V
Z
Zener Voltage
I
CC
 = 20mA
20
22
24
V
SUPPLY CURRENT SECTION
I
st
Start-up Supply Current
V
CC
 = V
th(start)
 - 0.2V
40
70
I
CC
Operating Supply Current
Output no switching
1.5
3.0
mA
I
dcc
Dynamic Operating Supply Current
50kHz, Cl=1nF
2.5
4.0
mA
I
CC(dis)
Operating Current at Disable
V
inv
 = 0V
20
65
95
ERROR AMPLIFIER SECTION
V
ref1
Voltage Feedback Input Threshold1
T
A
 = 25癈
2.465    2.500    2.535
V
ref1
Line Regulation
V
CC
 = 14V ~ 20V
0.1
10.0
mV
ref2
Temperature Stability of V
ref1
(2)
20
mV
I
b(ea)
Input Bias Current
V
inv
 = 1V ~ 4V
-0.5
0.5
I
source
Output Source Current
V
inv
 = V
ref1
 - 0.1V
-12
I
sink
Output Sink Current
V
inv
 = V
ref1
 + 0.1V
12
V
eao(H)
Output Upper Clamp Voltage
V
inv
 = V
ref1
 - 0.1V
5.4
6.0
6.6
V
V
eao(Z)
Zero Duty Cycle Output Voltage
0.9
1.0
1.1
V
g
m
Transconductance
(2)
90
115
140
祄ho
MAXIMUM ON-TIME SECTION
V
mot
Maximum On-Time Voltage
R
mot
 = 40.5k?/DIV>
2.784    2.900    3.016
V
T
on(max)
Maximum On-Time Programming
R
mot
 = 40.5k? T
A
 = 25癈
19
24
29
CURRENT SENSE SECTION
V
CS(limit)
Current Sense Input Threshold
Voltage Limit
0.7
0.8
0.9
V
I
b(cs)
Input Bias Current
V
CS
 = 0V ~ 1V
-1.0
-0.1
1.0
t
d(cs)
Current Sense Delay to Output
(2)
dV/dt = 1V/100ns,
from 0V to 5V
350
500
ns
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